Home / 166,299.68-249,511.52-99,787.55

Finding the Fourth Proportional to 166,299.68, 249,511.52 and 99,787.55

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Solution

The fourth proportional to 166,299.68, 249,511.52 and 99,787.55 is: 149,718.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,299.68 : 249,511.52 = 99,787.55 : x
  2. Step 2: Convert to fraction form
    166,299.68/249,511.52 = 99,787.55/x
  3. Step 3: Cross multiply
    166,299.68x = 249,511.52 × 99,787.55
  4. Step 4: Simplify right side
    166,299.68x = 24,898,142,279.49
  5. Step 5: Solve for x
    x = 24,898,142,279.49/166,299.68
  6. Step 6: Final answer
    x = 149,718.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.